Is 3940 a prime number?

3 940 is an even number, because it is evenly divisible by 2: 3 940 / 2 = 1 970.

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• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 3 940 is about 62.769.

Thus, the square root of 3 940 is not an integer, and therefore 3 940 is not a square number.

The square of a number (here 3 940) is the result of the product of this number (3 940) by itself (i.e., 3 940 × 3 940); the square of 3 940 is sometimes called "raising 3 940 to the power 2", or "3 940 squared".

The square of 3 940 is 15 523 600 because 3 940 × 3 940 = 3 940² = 15 523 600.

As a consequence, 3 940 is the square root of 15 523 600.

3 940 is a number with 4 digits.

The multiples of 3 940 are all integers evenly divisible by 3 940, that is all numbers such that the remainder of the division by 3 940 is zero. There are infinitely many multiples of 3 940. The smallest multiples of 3 940 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 3 940 too, since 0 × 3 940 = 0
• 3 940: indeed, 3 940 is a multiple of itself, since 3 940 is evenly divisible by 3 940 (we have 3 940 / 3 940 = 1, so the remainder of this division is indeed zero)
• 7 880: indeed, 7 880 = 3 940 × 2
• 11 820: indeed, 11 820 = 3 940 × 3
• 15 760: indeed, 15 760 = 3 940 × 4
• 19 700: indeed, 19 700 = 3 940 × 5
• etc.

• Preceding numbers: …3 938, 3 939
• Following numbers: 3 941, 3 942…

Nearest numbers from 3 940

• Preceding prime number: 3 931
• Following prime number: 3 943

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• 3 940 est-il un nombre premier ?